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Dual channel trouble on AN8 Ultra


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Hi all!

I'm new in this forum.


I've just bought a kit of Corsair xms twinx 2x1GB, revision 1.2, Lot#0523076-2


My problem is that there's no way to boot in dual channel mode on my ABIT AN8 Ultra.

Whenever i try to hook up the memory on dimm 1 and 2 (or 3 and 4) the system doesn't arrive to Bios and emits a continous short beep, posting error code 04.


I tried so set RAM manually with several different latency configurations and reboot without clear Cmos but it didn't help me.


I treid to change voltage setting up to 2,75V and reboot but it doesn't help..


The memory perfect works in dimm 1 and 3 (or 1 and 4, or 2 and 3 ecc.) obviously in single channel 2T. I also tested it with goldmemory, memtest86 and in different system with no problems and no errors..


I start thinking ther's some incompatibility between RAM and motherboard..

Any ideas?


My system is: AMD San diego 4000+, Nvidia 7800 Gtx, PSU enermax noisetaker 600W, 2x250 WD caviar, X-fi extrememusic, two drives.



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